Table 1.: Demographics of the Cohort According to Gender in 1999-2002

COPD Non COPD (Controls)
Male N=56 Female N=48 Male N=19 Female N=23
Age 62.7 ± 9.6 61.7± 8.8 61.0± 10.0 57.2± 8.7
Height (cm) 1999-2002 172.7 ± 6.4 161.3 ± 7.4 172.4 ± 5.9 158.3 ± 5.6
Height (cm) 2007-2008 170.7 ± 5.8 159.4 ± 7.4 170.6 ± 5.8 157.5 ± 6.6
Armspan (cm) 177.3±7.8 162.8±8.6 175.6±7.8 161.8±6.2
Height change 1999-2008 2.0±2.3 1.8±3.5 1.7±2.2 0.8±2.9
Armspan to height ratio (1999-2002) 1.03±0.02 1.01±0.03 1.03±0.02 1.02±0.03
Armspan to height ratio (2007-2008) 1.04±0.03 1.03±0.03 1.04±0.01 1.03±0.03
Pack years 37.0 ± 13.0 36.5 ± 14.8 23.5 ± 14.2 34.5 ± 7.1
FEV1 1.64 ± 0.58 1.46 ± 0.48 3.00 ± 0.53 2.09 ± 0.35
FEV1 loss/year 0.11±0.002 0.11±0.004 0.10±0.002 0.11±0.002
FEV1%Pred (1999-2002) (Actual height) 53.0 ± 18.0 65.1 ± 14.7 95.2 ± 13.0 95.8 ± 11.1
FEV1%Pred (1999-2002) (Estimated height) 53.6 ± 18.2 66.0 ± 15.9 95.3 ± 13.2 91.1 ± 11.1
FEV1%Pred (2007-2008) (Actual height) 53.3± 17.2 57.4 ±16.2 97.7 ±10.2 96.3 ± 12.0
FEV1%Pred (2007-2008) (Estimated height) 52.1 ± 16.8 55.7 ± 17.7 97.6 ± 10.2 90.4 ± 13.1
MRC (1-5) 2.4 ± 0.9 2.2 ± 0.8 2.0 ± 1.0 2.2 ± 0.7
Smoking Status Current: 20
Exsmokers: 25
Nonsmokers: 11		 Current: 19
Exsmokers: 19
Nonsmokers: 10		 Current: 11
Exsmokers: 06
Nonsmokers: 2		 Current: 10
Exsmokers: 6
Nonsmokers: 7
Passive smoking (yrs) 39.6 ± 21.4 37.1 ± 20.8 12.8 ± 16.5 36.2 ± 18.8

Definition of abbreviations= BMI=Body mass index; FEV1 (% Predicted) =forced expiratory volume in one second predicted for age and sex; FEV1/FVC (%Predicted) =forced expiratory ratio (as predicted); BOD=BMI, airway Obstruction, MRC Dyspnoea score, M=metres; L=litres; MRC=Medical Research Council Dyspnoea Score.